[NeMo-DDoS-List] FW: [Geant NeMo] #376384 UPD CRIT: IUCC (AS378) - "4 alerts" [IUCC] [Customer] [Email_Analysis]

[Hank Nussbacher]

________________________________________
From: nemo-ddos at host.geant.org <nemo-ddos at host.geant.org>
Sent: Tuesday, June 24, 2025 7:05:35 AM (UTC+02:00) Jerusalem
To: soc at geant.org
Subject: [Geant NeMo] #376384 UPD CRIT: IUCC (AS378) - "4 alerts" [IUCC] [Customer] [Email_Analysis]

Aggregated 4 alerts. Upgraded to severity Critical.

Alert ID: 376384
Status: Open
Severity: Critical

Start Time: 2025-06-24 04:00:23
End Time: ongoing
Start Time (Europe/Berlin): 2025-06-24 06:00:23
End Time (Europe/Berlin): ongoing
Duration: 5 min

First Event Seen: 2025-06-24 03:58:00
Last Event Seen: 2025-06-24 04:04:00
Event Count: 23

Trigger: Multiple Alerts (ID 15)

Alert Description:
Aggregated 4 alerts.

Affected Objects:
        Type              Name       Event Count
---------------------------------------------------
Autonomoussystem    IUCC (AS378)          23

Child Alerts:
  Alert ID            Description
----------------------------------------------
376385      High SYN packet rate
376386      High TCP packet rate
376382      Abnormal SYN:ACK packet ratio
376383      High packet rate


Further Details:
https://primary.nemo.geant.org/alerts/details/376384/

All times expressed in UTC.